Home / 7,902,813.66-11,852,842.68-2,221,687.50

Finding the Fourth Proportional to 7,902,813.66, 11,852,842.68 and 2,221,687.50

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Solution

The fourth proportional to 7,902,813.66, 11,852,842.68 and 2,221,687.50 is: 3,332,143.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902,813.66 : 11,852,842.68 = 2,221,687.50 : x
  2. Step 2: Convert to fraction form
    7,902,813.66/11,852,842.68 = 2,221,687.50/x
  3. Step 3: Cross multiply
    7,902,813.66x = 11,852,842.68 × 2,221,687.50
  4. Step 4: Simplify right side
    7,902,813.66x = 26,333,312,421,622.50
  5. Step 5: Solve for x
    x = 26,333,312,421,622.50/7,902,813.66
  6. Step 6: Final answer
    x = 3,332,143.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.